Engineering2Asphalt Institute engineers have a long tradition of promoting the use and quality of asphalt to user agencies through support and technology transfer. In this Engineering section you will find a wide variety of technical information about the asphalt industry categorized into five very broad topical areas listed to the left. These are further divided into more specific categories. Content includes documents, reports, articles, FAQs, links, etc. Also note our Glossary of Terms below and our State Binder Spec Database above.

How to contact an Asphalt Institute Regional Engineer:
Mark Buncher
Email Mark
Director of Engineering
Lexington, KY
Bob Horan
Email Bob
Senior Regional Engineer
Mechanicsville, VA

AL, AR, FL, GA, KY, LA, MS, NC, OK, SC, TN, TX, VA, WV

Mark Blow
Email Mark
Senior Regional Engineer
Harrisburg, SD

IA, IL, IN, KS, MI, MN, MO, ND, NE, OH, SD, W

Bob Humer
Email Bob
Senior Regional Engineer
West Lake Village, CA

AZ, CA, HI, NV, OR, WA

Dave Johnson
Email Dave
Senior Regional Engineer
Billings, MT

AK, CO, ID, MT, NM, UT, WY

Wayne Jones
Email Wayne
Senior Regional Engineer
Gahanna, OH

IA, IL, IN, KS, MI, MN, MO, ND, NE, OH, SD, WI

Danny Gierhart
Email Danny
Senior Regional Engineer
Tuttle, OK

AL, AR, FL, GA, KY, LA, MS, NC, OK, SC, TN, TX, VA, WV

Greg Harder
Email Greg
Regional Engineer
Tully, NY

CT, DC, DE, MA, MD, ME, NH, NJ, NY, PA, RI, VT